Technical FAQs

Ask a Question

What is the suffix for an I-line breaker with terminal nut kit or bus connector kit on bottom load end of the breaker? What is suffix TA or TB on Powerpact I-line construction?

Product Line:
Circuit Breakers

Environment:
I-line version of Powerpact H, J, L, M, P and R breakers

Resolution:
The I-LINE shroud and jaws are on the top side the breaker
The load end of the breaker has the following based on the suffix:
  • TA indicates English terminal nuts/bus connectors on the OFF end instead of lugs.
  • TB indicates Metric terminal nuts/bus connectors on the OFF end instead of lugs.

NOTE:
For the I-line Powerpact M and P breaker with suffix TA, each pole of the load end of the breaker has a bus connector with 2 bolts/nuts. An I-line M and P breaker can be converted from lugs can to bus connector with the S33928 kit (1 per pole).
For the I-line Powerpact R breaker with TA suffix, each pole of the load end of the breaker has a bus connector has 3 threaded holes (no bolts or nuts). An I-line R breaker cannot be converted from lugs to bus connector.
Was this helpful?
What can we do to improve the information ?